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3 years ago

!!20 POINTS!! Find AC

Mathematics

2 answers:

kipiarov [429]3 years ago

6 0

Answer:

it's just 5 points LOLLLLL

alisha [4.7K]3 years ago

4 0

Answer:

A. 12

Step-by-step explanation:

a = -7

b = -4

c = 5

ignore B. counting should be till the desired grid which is C

AC = 7 + 5

AC = 12

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What is the solution to the system of equations? 2x – y = 7 y = 2x 3

velikii [3]

Answer:

I will assume the second equation is y=2x^3. If it is y=2x+3 or y=2x-3, the lines will never intersect: they have the same slope (2):

Step-by-step explanation:

2x – y = 7 can be rewritten as: y = 2x -7. It has a slope of 2. The second equation, y = 2x 3, isn't clearly written. If the 3 has a plus or minus sign, then the lines will never intersect: they have the same slope, 2.

I'll assume the second equation is y=2x^3.

See attached graph.

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2 years ago

Can you guys help me with this question? PLEASEEEEE

Andreyy89

Answer:

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3 years ago

Use the elimination method to find all solutions of the system:

weqwewe [10]

Answer:

$x = 3$ and $y = 4$

Step-by-step explanation:

Given

[Correct Question]

$x^2 - 2y = 1$

$x^2 + 5y = 29$

Required

Solve using elimination

First, we eliminate x.

Subtract equation (1) from (2)

$x^2 - x^2 + 5y - (-2y) = 29 - 1\\$

$5y - (-2y) = 28$

$5y +2y = 28$

$7y = 28$

Divide through ny 7

$y = 4$

Take $x^2 - 2y = 1$

Make x^2 the subject

$x^2 = 1 + 2y$

Substitute 4 for y

$x^2 = 1 + 2*4$

$x^2 = 1 + 8$

$x^2 = 9$

Take square roots

$x = \sqrt 9$

$x = 3$

7 0

3 years ago

Help me and thx alot

Svet_ta [14]

Answer:

easyyyyyyy

Step-by-step explanation:

table J!

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3 years ago

What is the quotient of 21.06 and 9

bekas [8.4K]

Answer:

21.06÷9 = 2 and 36 left over

Step-by-step explanation:

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3 years ago